A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5920-01-383-1933
NSN 6150-01-568-6580
NSN 6610-01-627-0642
NSN 5920-01-145-8616
NSN 5935-00-875-1383
NSN 5950-00-342-7663
NSN 5925-00-283-1400
NSN 6650-01-398-1884
NSN 5998-01-428-2999
NSN 6130-01-021-9603
NSN 6320-01-569-2672
NSN 5910-01-557-8323